disasters such as hurricane katrina. an amphibious ready group was also just deployed to the middle east. >>> the 32-year-old truck driver who hit an amtrak train in hanford says he can't explain what happened. investigators say marcario medina was not impaired at the time of the crash and was traveling about 55 miles an hour when he hit the train. mead and 39 people on the train were hurt. >>> democrats are arriving here at party headquarters in san jose for the upcoming presidential debate. we'll show you why president obama shorters are anxious but confident. >>> and we're here in walnut creek where the republicans are getting together. they believe romney can knock it out of the park. ñçbÑ >>> complete bay area news coverage continues. this is ktvu channel 2 news at 5. >>> how about those amazing a's? man, they are the talk of the bay area tonight as the team many counted out are now the western division champs. at one point this summer, the a's were 13 games out of the first place. but tonight they are the champs after another stunning come- from-behind victory for the oakland a'